senlin/senlin/tests/unit/api/common/test_wsgi.py

447 lines
17 KiB
Python

# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import socket
from unittest import mock
import fixtures
from oslo_config import cfg
from oslo_utils import encodeutils
import webob
from senlin.api.common import version_request as vr
from senlin.api.common import wsgi
from senlin.common import exception
from senlin.tests.unit.common import base
CONF = cfg.CONF
class RequestTest(base.SenlinTestCase):
def test_content_type_missing(self):
request = wsgi.Request.blank('/tests/123')
self.assertRaises(exception.InvalidContentType,
request.get_content_type, ('application/xml'))
def test_content_type_unsupported(self):
request = wsgi.Request.blank('/tests/123')
request.headers["Content-Type"] = "text/html"
self.assertRaises(exception.InvalidContentType,
request.get_content_type, ('application/xml'))
def test_content_type_with_charset(self):
request = wsgi.Request.blank('/tests/123')
request.headers["Content-Type"] = "application/json; charset=UTF-8"
result = request.get_content_type(('application/json'))
self.assertEqual("application/json", result)
def test_content_type_from_accept_xml(self):
request = wsgi.Request.blank('/tests/123')
request.headers["Accept"] = "application/xml"
result = request.best_match_content_type()
self.assertEqual("application/json", result)
def test_content_type_from_accept_json(self):
request = wsgi.Request.blank('/tests/123')
request.headers["Accept"] = "application/json"
result = request.best_match_content_type()
self.assertEqual("application/json", result)
def test_content_type_from_accept_xml_json(self):
request = wsgi.Request.blank('/tests/123')
request.headers["Accept"] = "application/xml, application/json"
result = request.best_match_content_type()
self.assertEqual("application/json", result)
def test_content_type_from_accept_json_xml_quality(self):
request = wsgi.Request.blank('/tests/123')
request.headers["Accept"] = ("application/json; q=0.3, "
"application/xml; q=0.9")
result = request.best_match_content_type()
self.assertEqual("application/json", result)
def test_content_type_accept_default(self):
request = wsgi.Request.blank('/tests/123.unsupported')
request.headers["Accept"] = "application/unsupported1"
result = request.best_match_content_type()
self.assertEqual("application/json", result)
class ResourceTest(base.SenlinTestCase):
def test_get_action_args(self):
env = {
'wsgiorg.routing_args': [
None,
{
'controller': None,
'format': None,
'action': 'update',
'id': 12,
},
],
}
expected = {'action': 'update', 'id': 12}
actual = wsgi.Resource(None).get_action_args(env)
self.assertEqual(expected, actual)
def test_get_action_args_invalid_index(self):
env = {'wsgiorg.routing_args': []}
expected = {}
actual = wsgi.Resource(None).get_action_args(env)
self.assertEqual(expected, actual)
def test_get_action_args_del_controller_error(self):
actions = {'format': None,
'action': 'update',
'id': 12}
env = {'wsgiorg.routing_args': [None, actions]}
expected = {'action': 'update', 'id': 12}
actual = wsgi.Resource(None).get_action_args(env)
self.assertEqual(expected, actual)
def test_get_action_args_del_format_error(self):
actions = {'action': 'update', 'id': 12}
env = {'wsgiorg.routing_args': [None, actions]}
expected = {'action': 'update', 'id': 12}
actual = wsgi.Resource(None).get_action_args(env)
self.assertEqual(expected, actual)
def test_dispatch(self):
class Controller(object):
def index(self, shirt, pants=None):
return (shirt, pants)
resource = wsgi.Resource(None)
actual = resource.dispatch(Controller(), 'index', 'on', pants='off')
expected = ('on', 'off')
self.assertEqual(expected, actual)
def test_dispatch_default(self):
class Controller(object):
def default(self, shirt, pants=None):
return (shirt, pants)
resource = wsgi.Resource(None)
actual = resource.dispatch(Controller(), 'index', 'on', pants='off')
expected = ('on', 'off')
self.assertEqual(expected, actual)
def test_dispatch_no_default(self):
class Controller(object):
def show(self, shirt, pants=None):
return (shirt, pants)
resource = wsgi.Resource(None)
self.assertRaises(AttributeError, resource.dispatch, Controller(),
'index', 'on', pants='off')
def test_resource_call_error_handle(self):
class Controller(object):
def delete(self, req, identity):
return (req, identity)
actions = {'action': 'delete', 'id': 12, 'body': 'data'}
env = {'wsgiorg.routing_args': [None, actions]}
request = wsgi.Request.blank('/tests/123', environ=env)
request.body = encodeutils.safe_encode('{"foo" : "value"}')
resource = wsgi.Resource(Controller())
# The Resource does not throw webob.HTTPExceptions, since they
# would be considered responses by wsgi and the request flow would end,
# instead they are wrapped so they can reach the fault application
# where they are converted to a JSON response
e = self.assertRaises(exception.HTTPExceptionDisguise,
resource, request)
self.assertIsInstance(e.exc, webob.exc.HTTPBadRequest)
@mock.patch.object(wsgi, 'translate_exception')
def test_resource_call_error_handle_localized(self, mock_translate):
class Controller(object):
def delete(self, req, identity):
return (req, identity)
def fake_translate_exception(ex, locale):
return translated_ex
mock_translate.side_effect = fake_translate_exception
actions = {'action': 'delete', 'id': 12, 'body': 'data'}
env = {'wsgiorg.routing_args': [None, actions]}
request = wsgi.Request.blank('/tests/123', environ=env)
request.body = encodeutils.safe_encode('{"foo" : "value"}')
message_es = "No Encontrado"
translated_ex = webob.exc.HTTPBadRequest(message_es)
resource = wsgi.Resource(Controller())
e = self.assertRaises(exception.HTTPExceptionDisguise,
resource, request)
self.assertEqual(message_es, str(e.exc))
def test_resource_call_with_version_header(self):
class Controller(object):
def dance(self, req):
return {'foo': 'bar'}
actions = {'action': 'dance'}
env = {'wsgiorg.routing_args': [None, actions]}
request = wsgi.Request.blank('/tests/123', environ=env)
request.version_request = vr.APIVersionRequest('1.0')
resource = wsgi.Resource(Controller())
resp = resource(request)
self.assertEqual('{"foo": "bar"}', encodeutils.safe_decode(resp.body))
self.assertTrue(hasattr(resp, 'headers'))
expected = 'clustering 1.0'
self.assertEqual(expected, resp.headers['OpenStack-API-Version'])
self.assertEqual('OpenStack-API-Version', resp.headers['Vary'])
class ControllerTest(base.SenlinTestCase):
@mock.patch('senlin.rpc.client.get_engine_client')
def test_init(self, mock_client):
x_client = mock.Mock()
mock_client.return_value = x_client
data = mock.Mock()
c = wsgi.Controller(data)
self.assertEqual(data, c.options)
self.assertEqual(x_client, c.rpc_client)
def test_default(self):
data = mock.Mock()
c = wsgi.Controller(data)
self.assertRaises(webob.exc.HTTPNotFound, c.default, mock.Mock())
class ResourceExceptionHandlingTest(base.SenlinTestCase):
scenarios = [
('client_exceptions', dict(
exception=exception.NotAuthenticated,
exception_catch=exception.NotAuthenticated)),
('webob_bad_request', dict(
exception=webob.exc.HTTPBadRequest,
exception_catch=exception.HTTPExceptionDisguise)),
('webob_not_found', dict(
exception=webob.exc.HTTPNotFound,
exception_catch=exception.HTTPExceptionDisguise)),
]
def test_resource_client_exceptions_dont_log_error(self):
class Controller(object):
def __init__(self, exception_to_raise):
self.exception_to_raise = exception_to_raise
def raise_exception(self, req, body):
raise self.exception_to_raise()
actions = {'action': 'raise_exception', 'body': 'data'}
env = {'wsgiorg.routing_args': [None, actions]}
request = wsgi.Request.blank('/tests/123', environ=env)
request.body = encodeutils.safe_encode('{"foo": "value"}')
resource = wsgi.Resource(Controller(self.exception))
e = self.assertRaises(self.exception_catch, resource, request)
e = e.exc if hasattr(e, 'exc') else e
self.assertNotIn(str(e), self.LOG.output)
class GetSocketTestCase(base.SenlinTestCase):
def setUp(self):
super(GetSocketTestCase, self).setUp()
self.useFixture(fixtures.MonkeyPatch(
"senlin.api.common.wsgi.get_bind_addr",
lambda x, y: ('192.168.0.13', 1234)))
addr_info_list = [(2, 1, 6, '', ('192.168.0.13', 80)),
(2, 2, 17, '', ('192.168.0.13', 80)),
(2, 3, 0, '', ('192.168.0.13', 80))]
self.useFixture(fixtures.MonkeyPatch(
"senlin.api.common.wsgi.socket.getaddrinfo",
lambda *x: addr_info_list))
self.useFixture(fixtures.MonkeyPatch(
"senlin.api.common.wsgi.time.time",
mock.Mock(side_effect=[0, 1, 5, 10, 20, 35])))
wsgi.cfg.CONF.senlin_api.cert_file = '/etc/ssl/cert'
wsgi.cfg.CONF.senlin_api.key_file = '/etc/ssl/key'
wsgi.cfg.CONF.senlin_api.ca_file = '/etc/ssl/ca_cert'
wsgi.cfg.CONF.senlin_api.tcp_keepidle = 600
def test_correct_configure_socket(self):
mock_socket = mock.Mock()
self.useFixture(fixtures.MonkeyPatch(
'senlin.api.common.wsgi.ssl.wrap_socket',
mock_socket))
self.useFixture(fixtures.MonkeyPatch(
'senlin.api.common.wsgi.eventlet.listen',
lambda *x, **y: mock_socket))
server = wsgi.Server(name='senlin-api', conf=cfg.CONF.senlin_api)
server.default_port = 1234
server.configure_socket()
self.assertIn(mock.call.setsockopt(socket.SOL_SOCKET,
socket.SO_REUSEADDR, 1),
mock_socket.mock_calls)
self.assertIn(mock.call.setsockopt(socket.SOL_SOCKET,
socket.SO_KEEPALIVE, 1),
mock_socket.mock_calls)
if hasattr(socket, 'TCP_KEEPIDLE'):
self.assertIn(mock.call().setsockopt(
socket.IPPROTO_TCP,
socket.TCP_KEEPIDLE,
wsgi.cfg.CONF.senlin_api.tcp_keepidle), mock_socket.mock_calls)
def test_get_socket_without_all_ssl_reqs(self):
wsgi.cfg.CONF.senlin_api.key_file = None
self.assertRaises(RuntimeError,
wsgi.get_socket, wsgi.cfg.CONF.senlin_api, 1234)
def test_get_socket_with_bind_problems(self):
self.useFixture(fixtures.MonkeyPatch(
'senlin.api.common.wsgi.eventlet.listen',
mock.Mock(side_effect=(
[wsgi.socket.error(socket.errno.EADDRINUSE)] * 3 + [None]))))
self.useFixture(fixtures.MonkeyPatch(
'senlin.api.common.wsgi.ssl.wrap_socket',
lambda *x, **y: None))
self.assertRaises(RuntimeError,
wsgi.get_socket, wsgi.cfg.CONF.senlin_api, 1234)
def test_get_socket_with_unexpected_socket_errno(self):
self.useFixture(fixtures.MonkeyPatch(
'senlin.api.common.wsgi.eventlet.listen',
mock.Mock(side_effect=wsgi.socket.error(socket.errno.ENOMEM))))
self.useFixture(fixtures.MonkeyPatch(
'senlin.api.common.wsgi.ssl.wrap_socket',
lambda *x, **y: None))
self.assertRaises(wsgi.socket.error, wsgi.get_socket,
wsgi.cfg.CONF.senlin_api, 1234)
class FakeController(wsgi.Controller):
@wsgi.Controller.api_version('2.0')
def index(self, req):
return {'foo': 'bar'}
def foo(self, req):
return {'bar': 'zoo'}
@wsgi.Controller.api_version('2.0', '3.0')
def dance(self, req):
return {'score': 100}
@wsgi.Controller.api_version('4.0') # noqa
def dance(self, req): # noqa F811
return {'score': 60}
class MicroversionTest(base.SenlinTestCase):
def test_versioned_request_empty(self):
data = mock.Mock()
request = wsgi.Request.blank('/tests/123')
request.version_request = vr.APIVersionRequest('1.0')
c = FakeController(data)
ex = self.assertRaises(exception.MethodVersionNotFound,
c.index, request)
self.assertEqual("API version '1.0' is not supported on "
"this method.", str(ex))
res = c.foo(request)
self.assertEqual({'bar': 'zoo'}, res)
ex = self.assertRaises(exception.MethodVersionNotFound,
c.dance, request)
self.assertEqual("API version '1.0' is not supported on "
"this method.", str(ex))
def test_versioned_request_lower(self):
data = mock.Mock()
request = wsgi.Request.blank('/tests/123')
request.version_request = vr.APIVersionRequest('2.0')
c = FakeController(data)
res = c.index(request)
self.assertEqual({'foo': 'bar'}, res)
res = c.foo(request)
self.assertEqual({'bar': 'zoo'}, res)
res = c.dance(request)
self.assertEqual({'score': 100}, res)
def test_versioned_request_middle(self):
data = mock.Mock()
request = wsgi.Request.blank('/tests/123')
request.version_request = vr.APIVersionRequest('2.5')
c = FakeController(data)
res = c.index(request)
self.assertEqual({'foo': 'bar'}, res)
res = c.foo(request)
self.assertEqual({'bar': 'zoo'}, res)
res = c.dance(request)
self.assertEqual({'score': 100}, res)
def test_versioned_request_upper(self):
data = mock.Mock()
request = wsgi.Request.blank('/tests/123')
request.version_request = vr.APIVersionRequest('3.0')
c = FakeController(data)
res = c.index(request)
self.assertEqual({'foo': 'bar'}, res)
res = c.foo(request)
self.assertEqual({'bar': 'zoo'}, res)
res = c.dance(request)
self.assertEqual({'score': 100}, res)
def test_versioned_request_too_high(self):
data = mock.Mock()
request = wsgi.Request.blank('/tests/123')
request.version_request = vr.APIVersionRequest('3.5')
c = FakeController(data)
res = c.index(request)
self.assertEqual({'foo': 'bar'}, res)
res = c.foo(request)
self.assertEqual({'bar': 'zoo'}, res)
ex = self.assertRaises(exception.MethodVersionNotFound,
c.dance, request)
self.assertEqual("API version '3.5' is not supported on "
"this method.", str(ex))
def test_versioned_request_inner_functions(self):
data = mock.Mock()
request = wsgi.Request.blank('/tests/123')
request.version_request = vr.APIVersionRequest('3.0')
c = FakeController(data)
res = c.dance(request)
self.assertEqual({'score': 100}, res)
request.version_request = vr.APIVersionRequest('4.0')
res = c.dance(request)
self.assertEqual({'score': 60}, res)